package com.viki.test.testvisitinternet;

import java.io.IOException;
import java.security.KeyStore;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpVersion;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;

public class HttpUtil {
	
	public static String sendPost(String url, HttpEntity httpEntity, String contentType) {
		HttpClient httpClient = createHttpClient();
		HttpPost httpPost = new HttpPost(url);
		configDefaultHeader(httpPost, contentType);
		if( null != httpEntity ) {
			httpPost.setEntity(httpEntity);
		}
		try {
			HttpResponse response = httpClient.execute(httpPost);
			if (response != null) {
                return EntityUtils.toString(response.getEntity());
            } else {
            	return null;
            }
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return null;
	}
	
	private static HttpClient createHttpClient() {
		try {
	        KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
	        trustStore.load(null, null);
	
	        SSLSocketFactory sf = new MySSLSocketFactory(trustStore);
	        sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
	
	        HttpParams params = new BasicHttpParams();
	        HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
	        HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);
	
	        SchemeRegistry registry = new SchemeRegistry();
	        registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
	        registry.register(new Scheme("https", sf, 443));
	
	        ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry);
	
	        return new DefaultHttpClient(ccm, params);
	    } catch (Exception e) {
	        return new DefaultHttpClient();
	    }
	}
	
	/**
	 * 配置Header
	 */
	private static void configDefaultHeader(HttpRequestBase requestBase,String contentType){
	    requestBase.setHeader("Accept", "text/html,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5");
	    
	    if (contentType != null) {
            requestBase.setHeader("Content-Type", contentType);
        } else {
            requestBase.setHeader("Content-Type", "application/x-www-form-urlencoded");
        }
	    // 非常重要，如果不设置将返回错误信息
	    if( null != SimulateWeiboActivity.ACCESS_TOKEN)
	    {
	    	requestBase.setHeader("Authorization","Basic "+Base64.encode("tomcat"+":"+"tomcat"));
	    }
	}
	
}
